INSTITUTE OF PATHOLOGY, MEDICAL FACULTY,
2005-7-26u2002·u2002by fine-needle aspiration biopsy (FNAB), or tumor reduction specimen. The diagnosis of malignancy is evident by cytological polymorphism and histo-logical dedifferentiation. Histopathologically, this tumor reveals solid sheets of highly anaplastic cells or spindle cells with morphologically sarcoma-like areas and frequent appearance of giant cells.
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